<template>
    <div class="goods-shop">
        <div class="goods-list">
            <!--      商品列表项区域      -->
            <div class="mui-card" v-for="(item,index) in goodslist" :key="item.id">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner">
                        <mt-switch
                                v-model="$store.getters.getGoodsSelected[item.id]"
                                @change="selelctedChange(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img :src="item.thumb_path"
                             alt="">
                        <div class="info">
                            <h1>{{ item.title }}</h1>
                            <p class="p">
                                <span class="price">￥{{ item.sell_price }}</span>
                                <numbox :init="$store.getters.getGoodsCount[item.id]" :goodid="item.id"></numbox>
                                <a href="" @click.prevent="remove(item.id,index)">删除</a>
                            </p>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <!--    结算区域    -->
        <div class="mui-card">
            <div class="mui-card-content">
                <div class="mui-card-content-inner jiesuan">
                    <div class="left">
                        <p>总计不含运费</p>
                        <p>已勾选商品
                            <span class="red">{{ $store.getters.getGoodsCountAndMount.count }}</span>件，总价
                            <span class="red">￥{{ $store.getters.getGoodsCountAndMount.amount }}</span></p>
                    </div>
                    <mt-button type="danger">去结算</mt-button>
                </div>
            </div>
        </div>
        <div>p{{ $store.getters.getGoodsSelected }}</div>
    </div>
</template>
<script>
    import numbox from '../subcomponent/shopcar-numbox.vue'
    import {Toast} from 'mint-ui'

    export default {
        data() {
            return {
                goodslist: []  // 购物车中所有商品的数据
            }
        },
        created() {
            this.getGoodslist();
        },
        methods: {
            getGoodslist() {
                // 1. 获取到的 store 中所有商品的 id，然后拼接一个用逗号分隔的字符串
                let idArr = [];
                this.$store.state.cart.forEach(item => {
                    idArr.push(item.id)
                });
                // 如果购物车中没有商品，则直接返回，不需要请求数据接口，否则会报错
                if (idArr.length <= 0) {
                    return;
                }
                // 获取购物车商品列表
                this.$http.get('http://www.liulongbin.top:3005/api/goods/getshopcarlist/' + idArr.join(","))
                    .then(result => {
                        if (result.body.status === 0) {
                            this.goodslist = result.body.message;
                        } else {
                            Toast("获取购物车数据失败！")
                        }
                    })
            },
            remove(id, index) {
                // 点击删除，把商品从 store 中根据传递的 id 删除，同时，把当前组件的 goodslist 中，对应要删除的那个商品，使用index来删除
                this.goodslist.splice(index, 1);
                this.$store.commit("removeFrom", id)
            },
            selelctedChange(id, val) {
                // 每当点击开关，把最新的开关状态同步到 store 中
                this.$store.commit("getSelected", {id: id, selected: val})
            }
        },
        components: {
            numbox
        }
    }
</script>
<style scoped>
    .goods-shop {
        background-color: #eee;
        overflow: hidden;
    }

    .goods-shop .goods-list .mui-card-content-inner {
        display: flex;
        align-items: center;
    }

    .goods-shop .goods-list img {
        width: 60px;
        height: 60px;
    }

    .goods-shop .goods-list h1 {
        font-size: 13px;
        margin: 10px 0;
    }

    .goods-shop .goods-list .info .price {
        color: red;
        font-weight: bold;
    }

    .jiesuan {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .jiesuan .red {
        color: red;
        font-size: 16px;
    }
    .p{
        display: flex;
        justify-content: space-between;
    }
</style>